condition mean min max Sterile Frond 0.20397800000000002 0.0 0.422955 Fertile Frond 4.729396666666666 0.0 12.1985 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.340548 0.0 0.724774 Root 0.17967433333333335 0.0 0.539023